FrontDesk Master receives credit card details from Booking.com, Hostelworld, Expedia, Agoda and it can receive such details from your booking engine.
The credit card details are kept in the system until two weeks after the reservation's check-out date; after that, they are removed automatically from the system.
For example, if the reservation check-out date is on May 14th, credit card details will be available in the system two more weeks, until May 28th.
Where can I find the guest Credit Card details?
How to charge a No show using credit card?
How to set up credit card details access permission?